CVE-2026-0109 Denial of service in Android

High 7.5 Published Updated

Remote attackers can cause a denial of service in Android via a precondition check failure in the Wi-Fi driver, requiring no user interaction or privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-0109?

CVE-2026-0109 is a high-severity denial of service vulnerability in Google Android, published on 10 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In dhd_tcpdata_info_get of dhd_ip.c, there is a possible Denial of Service due to a precondition check failure. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-754, CWE-1419

Which versions are affected by CVE-2026-0109?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-0109?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-0109 being exploited?

There is no known exploitation of CVE-2026-0109 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-438245439, GHSA-8xq6-23cc-g599, PUB-A-438245439.

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